作者: Thibaut Guignard , Jesus Chavez
DOI:
关键词: Coupling (piping) 、 Engineering 、 Mechanics 、 Structural engineering
摘要: Apparatus having a first outer tubular member and inner member. The the can define space therebetween. have internal bore. apparatus further include second A coupling flowpath be positioned between spaces. bores. selectively closeable flowpath.